ARDOUR::PeakMeter Class Reference

#include <meter.h>

Inheritance diagram for ARDOUR::PeakMeter:

Public Member Functions
	PeakMeter (Session &s, const std::string &name)
	~PeakMeter ()
void	reset ()
void	reset_max ()
bool	can_support_io_configuration (const ChanCount &in, ChanCount &out)
bool	configure_io (ChanCount in, ChanCount out)
void	set_max_channels (const ChanCount &)
void	reflect_inputs (const ChanCount &in)
void	emit_configuration_changed ()
void	run (BufferSet &bufs, framepos_t start_frame, framepos_t end_frame, pframes_t nframes, bool)
void	activate ()
void	deactivate ()
ChanCount	input_streams () const
ChanCount	output_streams () const
float	meter_level (uint32_t n, MeterType type)
void	set_type (MeterType t)
MeterType	get_type ()
XMLNode &	state (bool full)
Public Member Functions inherited from ARDOUR::Processor
	Processor (Session &, const std::string &name)
	Processor (const Processor &other)
virtual	~Processor ()
virtual std::string	display_name () const
virtual bool	display_to_user () const
virtual void	set_display_to_user (bool)
bool	active () const
virtual bool	does_routing () const
bool	get_next_ab_is_active () const
void	set_next_ab_is_active (bool yn)
virtual framecnt_t	signal_latency () const
virtual int	set_block_size (pframes_t)
virtual bool	requires_fixed_sized_buffers () const
virtual void	silence (framecnt_t)
virtual void	flush ()
virtual void	realtime_handle_transport_stopped ()
virtual void	realtime_locate ()
virtual void	monitoring_changed ()
XMLNode &	get_state (void)
int	set_state (const XMLNode &, int version)
void	set_pre_fader (bool)
void	set_ui (void *)
void *	get_ui () const
ProcessorWindowProxy *	window_proxy () const
void	set_window_proxy (ProcessorWindowProxy *wp)
void	set_owner (SessionObject *)
SessionObject *	owner () const
Public Member Functions inherited from ARDOUR::SessionObject
	SessionObject (Session &session, const std::string &name)
Session &	session () const
std::string	name () const
virtual bool	set_name (const std::string &str)
Public Member Functions inherited from ARDOUR::SessionHandleRef
	SessionHandleRef (ARDOUR::Session &s)
virtual	~SessionHandleRef ()
Public Member Functions inherited from PBD::ScopedConnectionList
	ScopedConnectionList ()
virtual	~ScopedConnectionList ()
void	add_connection (const UnscopedConnection &c)
void	drop_connections ()
Public Member Functions inherited from PBD::Stateful
	Stateful ()
virtual	~Stateful ()
virtual bool	apply_changes (PropertyBase const &)
PropertyChange	apply_changes (PropertyList const &)
const OwnedPropertyList &	properties () const
void	add_property (PropertyBase &s)
void	add_extra_xml (XMLNode &)
XMLNode *	extra_xml (const std::string &str, bool add_if_missing=false)
void	save_extra_xml (const XMLNode &)
const PBD::ID &	id () const
bool	set_id (const XMLNode &)
void	set_id (const std::string &)
void	reset_id ()
void	clear_changes ()
virtual void	clear_owned_changes ()
PropertyList *	get_changes_as_properties (Command *) const
virtual void	rdiff (std::vector< Command * > &) const
bool	changed () const
virtual PropertyList *	property_factory (const XMLNode &) const
virtual void	suspend_property_changes ()
virtual void	resume_property_changes ()
bool	property_changes_suspended () const
Public Member Functions inherited from PBD::Destructible
	Destructible ()
virtual	~Destructible ()
void	drop_references ()
Public Member Functions inherited from ARDOUR::Automatable
	Automatable (Session &)
	Automatable (const Automatable &other)
virtual	~Automatable ()
boost::shared_ptr < Evoral::Control >	control_factory (const Evoral::Parameter &id)
boost::shared_ptr < AutomationControl >	automation_control (const Evoral::Parameter &id, bool create_if_missing=false)
boost::shared_ptr< const AutomationControl >	automation_control (const Evoral::Parameter &id) const
virtual void	add_control (boost::shared_ptr< Evoral::Control >)
void	clear_controls ()
virtual void	transport_located (framepos_t now)
virtual void	transport_stopped (framepos_t now)
virtual std::string	describe_parameter (Evoral::Parameter param)
virtual std::string	value_as_string (boost::shared_ptr< AutomationControl >) const
AutoState	get_parameter_automation_state (Evoral::Parameter param)
virtual void	set_parameter_automation_state (Evoral::Parameter param, AutoState)
AutoStyle	get_parameter_automation_style (Evoral::Parameter param)
void	set_parameter_automation_style (Evoral::Parameter param, AutoStyle)
void	protect_automation ()
const std::set < Evoral::Parameter > &	what_can_be_automated () const
void	what_has_existing_automation (std::set< Evoral::Parameter > &) const
int	set_automation_xml_state (const XMLNode &, Evoral::Parameter default_param)
XMLNode &	get_automation_xml_state ()
Public Member Functions inherited from Evoral::ControlSet
	ControlSet ()
	ControlSet (const ControlSet &)
virtual	~ControlSet ()
boost::shared_ptr< Control >	control (const Parameter &id, bool create_if_missing=false)
boost::shared_ptr< const Control >	control (const Parameter &id) const
Controls &	controls ()
const Controls &	controls () const
bool	find_next_event (double start, double end, ControlEvent &ev) const
virtual bool	controls_empty () const
void	what_has_data (std::set< Parameter > &) const
Glib::Threads::Mutex &	control_lock () const
Public Member Functions inherited from ARDOUR::Latent
	Latent ()
virtual	~Latent ()
framecnt_t	user_latency () const
framecnt_t	effective_latency () const
virtual void	set_user_latency (framecnt_t val)

Public Attributes
PBD::Signal1< void, MeterType >	TypeChanged
Public Attributes inherited from ARDOUR::Processor
PBD::Signal0< void >	ActiveChanged
PBD::Signal2< void, ChanCount, ChanCount >	ConfigurationChanged
Public Attributes inherited from PBD::Stateful
PBD::Signal1< void, const PropertyChange & >	PropertyChanged
Public Attributes inherited from PBD::Destructible
PBD::Signal0< void >	Destroyed
PBD::Signal0< void >	DropReferences
Public Attributes inherited from ARDOUR::Automatable
PBD::Signal0< void >	AutomationStateChanged

Private Attributes
ChanCount	current_meters
bool	_reset_dpm
bool	_reset_max
uint32_t	_bufcnt
std::vector< float >	_peak_buffer
std::vector< float >	_peak_power
std::vector< float >	_max_peak_signal
std::vector< Kmeterdsp * >	_kmeter
std::vector< Iec1ppmdsp * >	_iec1meter
std::vector< Iec2ppmdsp * >	_iec2meter
std::vector< Vumeterdsp * >	_vumeter
MeterType	_meter_type

Friends
class	IO

Additional Inherited Members
Public Types inherited from Evoral::ControlSet
typedef std::map< Parameter, boost::shared_ptr< Control > >	Controls
Static Public Member Functions inherited from ARDOUR::SessionObject
static void	make_property_quarks ()
Static Public Attributes inherited from ARDOUR::Processor
static const std::string	state_node_name = "Processor"
Static Public Attributes inherited from PBD::Stateful
static int	current_state_version = 0
static int	loading_state_version = 0
Static Public Attributes inherited from ARDOUR::Automatable
static const std::string	xml_node_name = X_("Automation")
Protected Member Functions inherited from ARDOUR::Processor
virtual int	set_state_2X (const XMLNode &, int version)
Protected Member Functions inherited from ARDOUR::SessionHandleRef
virtual void	session_going_away ()
virtual void	insanity_check ()
Protected Member Functions inherited from PBD::Stateful
void	add_instant_xml (XMLNode &, const std::string &directory_path)
XMLNode *	instant_xml (const std::string &str, const std::string &directory_path)
void	add_properties (XMLNode &)
PropertyChange	set_values (XMLNode const &)
virtual void	post_set (const PropertyChange &)
virtual void	send_change (const PropertyChange &)
virtual void	mid_thaw (const PropertyChange &)
Protected Member Functions inherited from ARDOUR::Automatable
void	can_automate (Evoral::Parameter)
virtual void	automation_list_automation_state_changed (Evoral::Parameter, AutoState)
int	load_automation (const std::string &path)
int	old_set_automation_state (const XMLNode &)
Protected Member Functions inherited from Evoral::ControlSet
virtual void	control_list_marked_dirty ()
virtual void	control_list_interpolation_changed (Parameter, ControlList::InterpolationStyle)
Protected Attributes inherited from ARDOUR::Processor
int	_pending_active
bool	_active
bool	_next_ab_is_active
bool	_configured
ChanCount	_configured_input
ChanCount	_configured_output
bool	_display_to_user
bool	_pre_fader
	true if this processor is currently placed before the Amp, otherwise false More...
void *	_ui_pointer
ProcessorWindowProxy *	_window_proxy
SessionObject *	_owner
Protected Attributes inherited from ARDOUR::SessionObject
PBD::Property< std::string >	_name
Protected Attributes inherited from ARDOUR::SessionHandleRef
ARDOUR::Session &	_session
Protected Attributes inherited from PBD::Stateful
XMLNode *	_extra_xml
XMLNode *	_instant_xml
PBD::PropertyChange	_pending_changed
Glib::Threads::Mutex	_lock
std::string	_xml_node_name
	name of node to use for this object in XML More...
OwnedPropertyList *	_properties
Protected Attributes inherited from ARDOUR::Automatable
Session &	_a_session
std::set< Evoral::Parameter >	_can_automate_list
framepos_t	_last_automation_snapshot
Protected Attributes inherited from Evoral::ControlSet
Glib::Threads::Mutex	_control_lock
Controls	_controls
PBD::ScopedConnectionList	_list_connections
Protected Attributes inherited from ARDOUR::Latent
framecnt_t	_user_latency

Detailed Description

Meters peaks on the input and stores them for access.

Definition at line 41 of file meter.h.

Constructor & Destructor Documentation

PeakMeter::PeakMeter	(	Session &	s,
		const std::string &	name
	)

Definition at line 38 of file meter.cc.

PeakMeter::~PeakMeter

(

)

Definition at line 51 of file meter.cc.

Member Function Documentation

void ARDOUR::PeakMeter::activate ( )

inlinevirtual

Reimplemented from ARDOUR::Processor.

Definition at line 69 of file meter.h.

bool PeakMeter::can_support_io_configuration ( const ChanCount &  in, ChanCount &  out  )

virtual

Implements ARDOUR::Processor.

Definition at line 221 of file meter.cc.

bool PeakMeter::configure_io ( ChanCount  in, ChanCount  out  )

virtual

Precondition

Caller must hold process lock

Reimplemented from ARDOUR::Processor.

Definition at line 228 of file meter.cc.

void ARDOUR::PeakMeter::deactivate ( )

inlinevirtual

Reimplemented from ARDOUR::Processor.

Definition at line 70 of file meter.h.

void PeakMeter::emit_configuration_changed

(

)

Definition at line 251 of file meter.cc.

MeterType ARDOUR::PeakMeter::get_type ( )

inline

Definition at line 78 of file meter.h.

ChanCount ARDOUR::PeakMeter::input_streams ( ) const

inlinevirtual

Reimplemented from ARDOUR::Processor.

Definition at line 72 of file meter.h.

float PeakMeter::meter_level	(	uint32_t	n,
		MeterType	type
	)

Definition at line 311 of file meter.cc.

ChanCount ARDOUR::PeakMeter::output_streams ( ) const

inlinevirtual

Reimplemented from ARDOUR::Processor.

Definition at line 73 of file meter.h.

void PeakMeter::reflect_inputs

(

const ChanCount &

in

)

Definition at line 242 of file meter.cc.

void PeakMeter::reset

(

)

Definition at line 187 of file meter.cc.

void PeakMeter::reset_max

(

)

Definition at line 208 of file meter.cc.

void PeakMeter::run ( BufferSet &  bufs, framepos_t  start_frame, framepos_t  end_frame, pframes_t  nframes, bool    )

virtual

Compute peaks

Get peaks from bufs Input acceptance is lenient - the first n buffers from bufs will be metered, where n was set by the last call to setup(), excess meters will be set to 0.

(runs in jack realtime context)

Reimplemented from ARDOUR::Processor.

Definition at line 79 of file meter.cc.

void PeakMeter::set_max_channels

(

const ChanCount &

chn

)

Definition at line 256 of file meter.cc.

void PeakMeter::set_type

(

MeterType

t

)

Definition at line 370 of file meter.cc.

XMLNode & PeakMeter::state ( bool  full )

virtual

Reimplemented from ARDOUR::Processor.

Definition at line 407 of file meter.cc.

Friends And Related Function Documentation

friend class IO

friend

Definition at line 85 of file meter.h.

Member Data Documentation

uint32_t ARDOUR::PeakMeter::_bufcnt

private

Definition at line 96 of file meter.h.

std::vector<Iec1ppmdsp *> ARDOUR::PeakMeter::_iec1meter

private

Definition at line 102 of file meter.h.

std::vector<Iec2ppmdsp *> ARDOUR::PeakMeter::_iec2meter

private

Definition at line 103 of file meter.h.

std::vector<Kmeterdsp *> ARDOUR::PeakMeter::_kmeter

private

Definition at line 101 of file meter.h.

std::vector<float> ARDOUR::PeakMeter::_max_peak_signal

private

Definition at line 99 of file meter.h.

MeterType ARDOUR::PeakMeter::_meter_type

private

Definition at line 106 of file meter.h.

std::vector<float> ARDOUR::PeakMeter::_peak_buffer

private

Definition at line 97 of file meter.h.

std::vector<float> ARDOUR::PeakMeter::_peak_power

private

Definition at line 98 of file meter.h.

bool ARDOUR::PeakMeter::_reset_dpm

private

Definition at line 93 of file meter.h.

bool ARDOUR::PeakMeter::_reset_max

private

Definition at line 94 of file meter.h.

std::vector<Vumeterdsp *> ARDOUR::PeakMeter::_vumeter

private

Definition at line 104 of file meter.h.

ChanCount ARDOUR::PeakMeter::current_meters

private

The number of meters that we are currently handling; may be different to _configured_input and _configured_output as it can be altered outside a ::configure_io by ::reflect_inputs.

Definition at line 91 of file meter.h.

PBD::Signal1<void, MeterType> ARDOUR::PeakMeter::TypeChanged

Definition at line 82 of file meter.h.

---

The documentation for this class was generated from the following files:

• /usr/local/music/src/ardour/4.0/libs/ardour/ardour/meter.h
• /usr/local/music/src/ardour/4.0/libs/ardour/meter.cc